{
  "id": 5398,
  "label": "clear cell ependymoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003476",
  "properties": {
    "xrefs": [
      "DOID:5507",
      "GARD:0023521",
      "MEDGEN:1852795",
      "NCIT:C4714",
      "ONCOTREE:CCE",
      "UMLS:C5848299"
    ],
    "synonyms": [
      "clear cell ependymoma"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "An ependymoma, often supratentorial in location, characterized by the presence of ependymal cells with a perinuclear halo."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 17161,
      "label": "ependymoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        5210,
        20695
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4844",
          "EFO:1000028",
          "GARD:0006353",
          "ICDO:9391/3",
          "MEDGEN:41825",
          "MESH:D004806",
          "MedDRA:10014967",
          "NANDO:2200088",
          "NCIT:C3017",
          "ONCOTREE:EPM",
          "Orphanet:251636",
          "UMLS:C0014474"
        ],
        "synonyms": [
          "benign ependymoma",
          "ependymoma",
          "WHO grade II ependymal neoplasm",
          "WHO grade II ependymal tumor",
          "WHO grade II ependymal tumour",
          "ependymoma, benign",
          "clear cell ependymoma (histologic variant)",
          "ependymoma, familial",
          "papillary ependymoma (histologic variant)",
          "tanycytic ependymoma (histologic variant)"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A WHO grade II, slow growing tumor of children and young adults, usually located intraventricularly. It is the most common ependymal neoplasm. It often causes clinical symptoms by blocking cerebrospinal fluid pathways. Key histological features include perivascular pseudorosettes and ependymal rosettes. (WHO)"
      },
      "child_count": 16,
      "reference_id": "MONDO:0016698"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 17161,
      "label": "ependymoma"
    }
  ]
}